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HEAS Data Platform · Materials Science Database

SmAl4Ni9

Alexandria ALEX

Alex-ID: agm022692247 · Space group: I4/mcm (#140)

Basic Information

Formula
SmAl4Ni9
Alex-ID
agm022692247
Elements
3
Sites
28
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
371.46
ų
Cell a
8.1030
Å
Cell b
8.1030
Å
Cell c
8.1030
Å
α angle
120.81
°
β angle
120.81
°
γ angle
88.60
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmAl4Ni9
Sm
2.00 · 7.1%
Al
8.00 · 28.6%
Ni
18.00 · 64.3%

Energy & Stability

Energy above hull
0.0141
eV/atom
Formation energy
-0.5162
eV/atom
Corrected total energy
-157.9747
eV
Raw total energy
-157.9747
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0232
eV
DOS at Fermi level
18.7489
Total magnetisation
0.0002
μB

Additional Information

Prototype ID

AB4C9_5_spg140

Decomposition

Al3Ni5 SmAlNi4

Computed at

2025-02-04 06:58:06

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm022692247).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm022692247
data_agm022692247
_cell_length_a     8.10297
_cell_length_b     8.10297
_cell_length_c     8.10297
_cell_angle_alpha  120.81225
_cell_angle_beta   120.81225
_cell_angle_gamma  88.59880
_cell_volume       371.45947
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Sm1 Sm 0.25000 0.25000 0.00000 1.00000
  Sm2 Sm 0.75000 0.75000 0.00000 1.00000
  Al1 Al 0.29790 0.79790 0.85440 1.00000
  Al2 Al 0.94350 0.44350 0.14560 1.00000
  Al3 Al 0.20210 0.05650 0.50000 1.00000
  Al4 Al 0.55650 0.70210 0.50000 1.00000
  Al5 Al 0.70210 0.20210 0.14560 1.00000
  Al6 Al 0.05650 0.55650 0.85440 1.00000
  Al7 Al 0.44350 0.29790 0.50000 1.00000
  Al8 Al 0.79790 0.94350 0.50000 1.00000
  Ni1 Ni 0.70379 0.56542 0.26921 1.00000
  Ni2 Ni 0.29621 0.43458 0.73079 1.00000
  Ni3 Ni 0.79621 0.06542 0.86163 1.00000
  Ni4 Ni 0.20379 0.93458 0.13837 1.00000
  Ni5 Ni 0.93458 0.79621 0.73079 1.00000
  Ni6 Ni 0.06542 0.20379 0.26921 1.00000
  Ni7 Ni 0.43458 0.70379 0.13837 1.00000
  Ni8 Ni 0.56542 0.29621 0.86163 1.00000
  Ni9 Ni 0.00000 0.50000 0.50000 1.00000
  Ni10 Ni 0.50000 0.00000 0.50000 1.00000
  Ni11 Ni 0.79791 0.29791 0.73809 1.00000
  Ni12 Ni 0.55982 0.05982 0.26191 1.00000
  Ni13 Ni 0.70209 0.44018 0.50000 1.00000
  Ni14 Ni 0.94018 0.20209 0.50000 1.00000
  Ni15 Ni 0.20209 0.70209 0.26191 1.00000
  Ni16 Ni 0.44018 0.94018 0.73809 1.00000
  Ni17 Ni 0.05982 0.79791 0.50000 1.00000
  Ni18 Ni 0.29791 0.55982 0.50000 1.00000
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